15935240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 21804280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 181, 248, 284, 310, 355, 362, 568, 620, 710, 724, 905, 1240, 1420, 1448, 1810, 2201, 2840, 3620, 4402, 5611, 7240, 8804, 11005, 11222, 12851, 17608, 22010, 22444, 25702, 28055, 44020, 44888, 51404, 56110, 64255, 88040, 102808, 112220, 128510, 224440, 257020, 398381, 514040, 796762, 1593524, 1991905, 3187048, 3983810, 7967620, 15935240]

約数ペア:

[(1, 15935240), (2, 7967620), (4, 3983810), (5, 3187048), (8, 1991905), (10, 1593524), (20, 796762), (31, 514040), (40, 398381), (62, 257020), (71, 224440), (124, 128510), (142, 112220), (155, 102808), (181, 88040), (248, 64255), (284, 56110), (310, 51404), (355, 44888), (362, 44020), (568, 28055), (620, 25702), (710, 22444), (724, 22010), (905, 17608), (1240, 12851), (1420, 11222), (1448, 11005), (1810, 8804), (2201, 7240), (2840, 5611), (3620, 4402)]